Retainer of a clutch mechanism



FIG. 1 is a diagrammatic perspective view of a retainer of a clutch mechanism showing my design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is an elevation view thereof; and,

FIG. 7 is a back elevation view thereof.

The broken lines are for the purpose of showing environmental structure only and form no part of the claimed design. 

CLAIM The ornamental design for a retainer of a clutch mechanism, as shown and described. 